Finding the Fourth Proportional to 523,126.94, 784,697.70 and 149,149.94
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Solution
The fourth proportional to 523,126.94, 784,697.70 and 149,149.94 is: 223,726.99
Step by Step Solution
- Step 1: Write the proportion equation
523,126.94 : 784,697.70 = 149,149.94 : x - Step 2: Convert to fraction form
523,126.94/784,697.70 = 149,149.94/x - Step 3: Cross multiply
523,126.94x = 784,697.70 × 149,149.94 - Step 4: Simplify right side
523,126.94x = 117,037,614,873.14 - Step 5: Solve for x
x = 117,037,614,873.14/523,126.94 - Step 6: Final answer
x = 223,726.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.